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# mode: run
# tag: cpp, werror, cpp11, no-cpp-locals
from libcpp cimport nullptr
from libcpp.memory cimport shared_ptr, make_shared
from libcpp.utility cimport move
from cython.operator cimport dereference
cdef extern from *:
"""
#include <string>
template<typename T> const char* move_helper(T&) { return "lvalue-ref"; }
template<typename T> const char* move_helper(T&&) { return "rvalue-ref"; }
"""
const char* move_helper[T](T)
def test_move_assignment():
"""
>>> test_move_assignment()
"""
cdef shared_ptr[int] p1, p2
p1 = make_shared[int](1337)
p2 = move(p1)
assert p1 == nullptr
assert dereference(p2) == 1337
def test_move_func_call():
"""
>>> test_move_func_call()
"""
cdef shared_ptr[int] p
assert move_helper(p) == b'lvalue-ref'
assert move_helper(move(p)) == b'rvalue-ref'
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